Pokémon HeartGold is a role-playing video game developed by Game Freak and published by Nintendo for the Nintendo DS. Released in 2010, it is a remake of the original Pokémon Gold from 1999. Players embark on a journey to become a Pokémon Champion, capturing and training various creatures known as Pokémon while battling other trainers. The game features enhanced graphics, updated gameplay mechanics, and the ability to have a Pokémon follow the player in the overworld. Players can explore the Johto and Kanto regions, challenge gym leaders, and participate in various side quests, including the iconic Pokémon League.